900-CUDR User Guide

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7. Recommended Locations For Smoke And Carbon Monoxide

Alarms

• Locate smoke alarms in all sleeping areas. Try to monitor the exit path as the bedrooms are usually farthest

from the exit. If more than one sleeping area exists, locate additional alarms in each sleeping area.

• Locate additional alarms in stairways, because stairways act like chimneys for smoke and heat.

• Locate at least one alarm on every floor level.

• Locate an alarm in every bedroom.

• Locate an alarm in every room where electrical appliances are operated (i.e. portable heaters or humidifiers).

• Locate an alarm in every room where someone sleeps with the door closed. The closed door may prevent

an alarm not located in that room from waking the sleeper.

• Smoke, heat, and combustion products rise to the ceiling and spread horizontally. Mounting the smoke

alarm on the ceiling in the center of the room places it closest to all points in the room. Ceiling mounting is

preferred in ordinary residential construction.

• For all alarm locations, be sure to choose a flat, solid surface for mounting, with no holes or gaps under the

mounting bracket.

ANYWHERE ALONG

THIS BOLD SURFACE

Locations permitted for smoke

alarms and smoke detectors

on tray-shaped ceilings.

ACCEPTABLE

TOP OF ALARM

ACCEPTABLE HERE

Note: measurements shown

are to the closest edge

of the alarm.

Not within 6 feet of appliances

Smoke Alarms for Required Detection

Smoke Alarms for Additional

Detection

Figure 7-A